Hang your pictures in style with OOK Adhesive Poster Hangers! All you have to do is peel off the adhesive seal, press it onto artwork, and hang it on the wall hanger. Ensure that surface you are using is clean before placing adhesive. Install with moistened adhesive and dry for 5 minutes before hanging items. This picture hanger is best used with paper or plastic materials. You can use it to hang lightweight items like posters, small frames, and a variety of arts and crafts.